What is the primary purpose of dual valve springs?

Dual valve springs are used to provide better control over the valves, especially at higher engine speeds. The additional spring helps prevent valve float, ensuring the valves close properly and maintain consistent contact with the camshaft lobes.

What material are these Ferrea valve springs made from?

These valve springs are constructed from high-tensile strength spring steel. This material is chosen for its ability to withstand the stresses and temperatures encountered in an engine's valve train.

Are these springs suitable for stock engines?

While these springs are well-built, they are typically used in performance applications or engine rebuilds where more aggressive camshafts or higher RPM limits are planned. For a completely stock engine, factory specifications may suffice, but these offer improved performance characteristics.

Ferrea Subaru FA20 Dual Valve Spring Set S10154

Name: Ferrea Subaru FA20 Dual Valve Spring - Set of 16
Brand: Ferrea
SKU: ferrea-ferrea-subaru-fa20-dual-valve-spring-set-of-16-t14-419179
Price: 340.58 USD
Availability: BackOrder

Ferrea Subaru FA20 Dual Valve Spring - Set of 16

$340.58

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Ferrea Subaru FA20 Dual Valve Spring - Set of 16

Key Features

Set includes 16 dual valve springs for Subaru FA20 engines.
Constructed from high-tensile strength spring steel for durability.
Dual spring design offers improved valve stability and control.
Designed to handle increased demands from performance camshafts or higher RPMs.
Supports reliable engine operation and consistent power delivery.

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Product Details

This set includes 16 dual valve springs from Ferrea, designed for Subaru FA20 engines. These springs are a key component for anyone rebuilding or modifying their engine, especially when aiming for higher performance or more aggressive camshaft profiles. They are built to handle the increased demands placed on the valve train under these conditions.

Ferrea is known for well-built engine components, and these valve springs are no exception. They are constructed from high-tensile strength spring steel, ensuring they can maintain consistent pressure across a wide range of RPMs and temperatures. The dual spring design offers improved stability and control over the valves, which is crucial for preventing valve float at higher engine speeds. This stability helps ensure reliable engine operation and can contribute to better power delivery.

When working on your FA20 engine, choosing reliable valve springs is important for the longevity and performance of your build. This set provides the necessary components to replace or upgrade your existing valve springs, supporting your engine's performance goals.